I may fence you may fence he may fence we may fence you may fence they may fence
V-ing form
I may be fencing you may be fencing he may be fencing we may be fencing you may be fencing they may be fencing
Perfect
I may have fenced you may have fenced he may have fenced we may have fenced you may have fenced they may have fenced
V-ing perfect
I may have been fencing you may have been fencing he may have been fencing we may have been fencing you may have been fencing they may have been fencing
Negation
Simple form
I may not fence you may not fence he may not fence we may not fence you may not fence they may not fence
V-ing form
I may not be fencing you may not be fencing he may not be fencing we may not be fencing you may not be fencing they may not be fencing
Perfect
I may not have fenced you may not have fenced he may not have fenced we may not have fenced you may not have fenced they may not have fenced
V-ing perfect
I may not have been fencing you may not have been fencing he may not have been fencing we may not have been fencing you may not have been fencing they may not have been fencing
Interrogative form
Simple form
may I fence? may you fence? may he fence? may we fence? may you fence? may they fence?
V-ing form
may I be fencing? may you be fencing? may he be fencing? may we be fencing? may you be fencing? may they be fencing?
Perfect
may I have fenced? may you have fenced? may he have fenced? may we have fenced? may you have fenced? may they have fenced?
V-ing perfect
may I have been fencing? may you have been fencing? may he have been fencing? may we have been fencing? may you have been fencing? may they have been fencing?
Interro-negative form
Simple form
may I not fence? may you not fence? may he not fence? may we not fence? may you not fence? may they not fence?
V-ing form
may I not be fencing? may you not be fencing? may he not be fencing? may we not be fencing? may you not be fencing? may they not be fencing?
Perfect
may I not have fenced? may you not have fenced? may he not have fenced? may we not have fenced? may you not have fenced? may they not have fenced?
V-ing perfect
may I not have been fencing? may you not have been fencing? may he not have been fencing? may we not have been fencing? may you not have been fencing? may they not have been fencing?